The “K4” series adjustable pressure switches allow to open or close an electric circuit upon reaching predetermined pressure value . The preset pressure is found by rotating the external screw located at the centre of the instrument, clockwise to increase and vice-versa to decrease the pressure set point value. The screw is protected with a plug. Mechanical stops protect both the spring and the micro-switch from over pressurization.
Technical features:
Body: 24 mm hexagonal in zinc-plated carbon steel.
Working temperature: from - 20°C to + 80°C.